Title:
VEHICLE DIGITAL KEY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/173209
Kind Code:
A1
Abstract:
A vehicle digital key system according to an embodiment of the present invention comprises: a first communication module for broadcasting a first signal at a predetermined time interval, calculating, when a second signal corresponding to the first signal is received from a key fob, a distance to the key fob on the basis of the second signal, and switching, when the calculated distance is within a preconfigured first threshold, a second communication module from a sleep mode to a wakeup mode; a second communication module for switching a plurality of third communication modules from a sleep mode to a wakeup mode, and calculating a position of the key fob by using at least three third communication modules among the plurality of third communication modules; and a control unit for unlocking the door lock of a vehicle on the basis of the position of the key fob.
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Inventors:
CHOI JAE YEON (KR)
Application Number:
PCT/KR2022/001956
Publication Date:
August 18, 2022
Filing Date:
February 09, 2022
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
B60R25/24; B60R25/10; B60R25/34; G07C9/00
Foreign References:
| KR20210008635A | 2021-01-25 | |||
| JP2020190469A | 2020-11-26 | |||
| KR20200005973A | 2020-01-17 | |||
| KR20200052699A | 2020-05-15 | |||
| US20160325710A1 | 2016-11-10 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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